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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [fold-eqandshift-1.c] - Rev 307
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/* PR middle-end/21137 */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-original" } */ extern void foo(); void test1(int a) { if ((a >> 3) & 1) foo (); } void test2(int b) { if ((b >> 3) & 4) foo (); } int test3(int c) { return (c >> 3) & 1; } int test4(int d) { return (d >> 3) & 4; } #if __INT_MAX__ == 32767 #define INT_BITS 16 #elif __INT_MAX__ == 2147483647 #define INT_BITS 32 #elif __INT_MAX__ == 9223372036854775807 #define INT_BITS 64 #else #error Please add support for your target here. #endif void test5(int e) { if ((e >> (INT_BITS - 1)) & 64) foo(); } void test6(unsigned int f) { if ((f >> (INT_BITS - 1)) & 64) foo(); } /* { dg-final { scan-tree-dump-times "\\(a \& 8\\) != 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "\\(b \& 32\\) != 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "c >> 3 \& 1" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "d >> 3 \& 4" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "e < 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "if \\(0\\)" 1 "original" } } */ /* { dg-final { cleanup-tree-dump "original" } } */
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